Trees appear to respond slower to climate change than previously thought (EurekAlert!) Champaign, Ill. -- Genetic analysis of living spruce trees provides strong evidence for the presence of a tree refuge in Alaska during the height of the last glacial period (17,000 to 25,000 years ago), and suggests that trees cannot migrate in response to climate change as quickly as some scientists thought. [News Source]

Chicago Joins Clinton In Climate Change Effort (NBC 5 Chicago) LOS ANGELES -- Former President Bill Clinton and mayors of some of the world's largest cities announced an initiative Tuesday to combat climate change and increase energy efficiency in everything from street lights to building materials. [News Source]

Cashing in on the oil thing. Second quarter reports are in for the major oil companies and it's another gusher. [News Source]

Winds blow north.

Vail Resorts in Colorado said Tuesday it would purchase enough wind energy to replace all power for the company’s five ski areas, dozen lodges and 125 retail stores.

Clinton joins fight on climate change (The Monterey County Herald) Former President Clinton and big-city mayors from around the globe have joined in an initiative to combat climate change and increase energy efficiency in everything from street lights to building materials. [News Source]

Bill Clinton, global mayors form alliance on climate change (KGBT 4 Rio Grande Valley) LOS ANGELES Former President Clinton and the mayors of some of the world's largest cities have teamed up to form a new initiative to combat climate change and to promote energy efficiency. [News Source]

Clinton forms alliance to end climate change (Seattle Times) Former President Clinton and mayors of some of the world's largest cities announced an initiative Tuesday to combat climate change and increase... [News Source]

Bill Clinton, global mayors form alliance on climate change (phillyburbs.com) LOS ANGELES - Former President Bill Clinton and big-city mayors from around the globe have joined in an initiative to combat climate change and increase energy efficiency in everything from street lights to building materials. [News Source]